Microscopía electrónica for the laboratory
A very high-resolution imaging technique that uses a beam of electrons instead of visible light to observe the structure and morphology of the sample at the micro and nanometer scale; it includes scanning electron microscopy (SEM).
microscopía electrónica guide
Characterization of materials, semiconductors, nanomaterials, surfaces and biological structures where optical resolution is insufficient, in research, the materials industry and quality control.
How to choose microscopía electrónica
- It depends on the resolution required
- The type of detectors
- The operating voltage range
- The sample preparation that can be accommodated
- The vacuum environment and the analysis and software capabilities. Specific values come from the catalog (Sanity)
Frequently asked questions about microscopía electrónica
What resolution does a scanning electron microscope (SEM) reach?
On the order of nanometers — orders of magnitude beyond the optical microscope, whose physical limit is around 200 nm. It makes it possible to observe surface morphology, nanostructures and defects that are invisible to optics.
What samples can I observe and how are they prepared?
Conductive solids can be observed almost directly; non-conductive ones are usually coated with a thin metallic layer or analyzed in low-vacuum modes that accommodate insulating and even moist samples, depending on the instrument.
What is the EDX/EDS analysis that accompanies the SEM?
Energy-dispersive X-ray spectroscopy: it identifies the elemental composition of the point observed and generates chemical maps of the surface. It joins the image with the "what it is made of".
What does the installation of a SEM require?
A stable site: vibration isolation, control of electromagnetic fields, controlled climate and utilities. The prior site evaluation is part of the project — Inolab, together with ZEISS, carries it out in Mexico.
Brands we represent in microscopía electrónica
Available microscopía electrónica models
- EVO 10ZEISS
- EVO 15ZEISS
- EVO 25ZEISS
- GEMINISEM 460ZEISS
- GEMINISEM 560ZEISS
- MULTISEM 706ZEISS
- SIGMA 360ZEISS
- SIGMA 560ZEISS
More microscopía e imagen equipment
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